Identifying a Tall Yellow Buttercup-Like Perennial: Linaria vulgaris

A gardener sees a tall perennial with yellow buttercup flowers clustered at top, spreading, in full sun. One person called it "goose something."

Identification: Linaria vulgaris

Common names: Butter and Eggs, Wild Snapdragon, Yellow Toadflax.

USDA Plant Profile: Linaria vulgaris

Characteristics

• 1-3 ft tall
• Snapdragon-like yellow/orange flowers in dense spikes
• Spreads by roots and seed
• Often considered weedy/invasive

If you like it, contain it. If not, remove thoroughly—roots run deep.